. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 241 BB. With rudimentary mouth-parts; palpi wanting; antennae with dorsal arista.—tE^^r/^o" (Bot Flies), p. 254. BBB. With well developed mouth-parts; palpi present; head with a suture above the antennae.—Superfamily Muscoidea. C. Alulets small; eyes of males not contiguous; thorax without com- plete transverse suture.—(Acalyptrate Muscids.). Rli. Miti. Please note
. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 241 BB. With rudimentary mouth-parts; palpi wanting; antennae with dorsal arista.—tE^^r/^o" (Bot Flies), p. 254. BBB. With well developed mouth-parts; palpi present; head with a suture above the antennae.—Superfamily Muscoidea. C. Alulets small; eyes of males not contiguous; thorax without com- plete transverse suture.—(Acalyptrate Muscids.). Rli. Miti. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lochhead, William, 1864-. Philadelphia, Blakiston
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
